Glycopyrrolate salts

  • US 10,004,717 B2
  • Filed: 02/21/2017
  • Issued: 06/26/2018
  • Est. Priority Date: 02/28/2013
  • Status: Active Grant
First Claim
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1. An aqueous glycopyrrolate solution comprising:

  • a racemic mixture of;

    (R)-3-((S)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate, and(S)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidinium 4-methylbenzenesulfonate,about 0.15% by weight anhydrous citric acid,about 0.06% by weight sodium citrate dihydrate, andbetween about 57 to about 59.5% by weight of dehydrated ethanol,wherein;

    the weight percent of said glycopyrrolate tosylate is between about 1% and about 6%; and

    the pH of said aqueous glycopyrrolate solution is between 3.5 and 5.5.

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